Hi  !

Would you please take a look at this article :

https://support.mozilla.org/en-US/kb/block-websites-storing-site-preferences

'Hope that helps  !

You can consider to block third-party cookies if you are currently allowing them.

• https://support.mozilla.org/en-US/kb/disable-third-party-cookies

If you run across websites that do not work properly with third-party cookies blocked then you can temporarily enable third-party cookies to see what domains are involved and create a cookie allow exception for these domains. Once that is working properly, you can once again block all cookies.